add new system file

hc

2024-02-20 102a0743326a03cd1a1202ceda21e175b7d3575c

 kernel/crypto/echainiv.c
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@@ -1,3 +1,4 @@
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+// SPDX-License-Identifier: GPL-2.0-or-later
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 /*
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  * echainiv: Encrypted Chain IV Generator
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  *
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@@ -10,12 +11,6 @@
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  * is performed after encryption (i.e., authenc).
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  *
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  * Copyright (c) 2015 Herbert Xu <herbert@gondor.apana.org.au>
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- *
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- * This program is free software; you can redistribute it and/or modify it
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- * under the terms of the GNU General Public License as published by the Free
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- * Software Foundation; either version 2 of the License, or (at your option)
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- * any later version.
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- *
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  */
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 #include <crypto/internal/geniv.h>
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@@ -47,9 +42,9 @@
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 	info = req->iv;
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 	if (req->src != req->dst) {
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-		SKCIPHER_REQUEST_ON_STACK(nreq, ctx->sknull);
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+		SYNC_SKCIPHER_REQUEST_ON_STACK(nreq, ctx->sknull);
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-		skcipher_request_set_tfm(nreq, ctx->sknull);
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+		skcipher_request_set_sync_tfm(nreq, ctx->sknull);
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 		skcipher_request_set_callback(nreq, req->base.flags,
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 					      NULL, NULL);
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 		skcipher_request_set_crypt(nreq, req->src, req->dst,
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@@ -120,7 +115,7 @@
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 	struct aead_instance *inst;
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 	int err;
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-	inst = aead_geniv_alloc(tmpl, tb, 0, 0);
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+	inst = aead_geniv_alloc(tmpl, tb);
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 	if (IS_ERR(inst))
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 		return PTR_ERR(inst);
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@@ -138,29 +133,17 @@
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 	inst->alg.base.cra_ctxsize = sizeof(struct aead_geniv_ctx);
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 	inst->alg.base.cra_ctxsize += inst->alg.ivsize;
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-	inst->free = aead_geniv_free;
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-
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 	err = aead_register_instance(tmpl, inst);
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-	if (err)
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-		goto free_inst;
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-
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-out:
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-	return err;
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-
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+	if (err) {
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 free_inst:
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-	aead_geniv_free(inst);
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-	goto out;
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-}
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-
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-static void echainiv_free(struct crypto_instance *inst)
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-{
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-	aead_geniv_free(aead_instance(inst));
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+		inst->free(inst);
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+	}
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+	return err;
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 }
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 static struct crypto_template echainiv_tmpl = {
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 	.name = "echainiv",
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 	.create = echainiv_aead_create,
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-	.free = echainiv_free,
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 	.module = THIS_MODULE,
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 };
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@@ -174,7 +157,7 @@
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 	crypto_unregister_template(&echainiv_tmpl);
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 }
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-module_init(echainiv_module_init);
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+subsys_initcall(echainiv_module_init);
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 module_exit(echainiv_module_exit);
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 MODULE_LICENSE("GPL");